Abstract
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• Discuss the reliability and accuracy of hand-held ultrasound (LHUS) devices in comparison with high-end, Epiq Elite ultrasound systems (ESUS) in renal evaluation.
• Explain the role and suitable applications of LHUS in clinical and low-resource settings.
• List the benefits and limitations of LHUS for kidney evaluation.
Which statement best describes the benefit of using a hand-held ultrasound (LHUS) device in a rural or low-resource setting? A. LHUS devices are more costly than high-end, Epiq Elite ultrasound systems (ESUS). B. ESUS are significantly less accurate, making LHUS preferred in this setting. C. LHUS devices are portable and cost-effective, allowing use when ESUS are not feasible. D. ESUS are less reliable and less user-friendly than LHUS devices
How did the article define the cortical thickness (CT) measurement? A. Longest distance from the upper pole of the kidney to the lower pole. B. Shortest distance from the renal sinus fat to the renal capsule. C. Longest distance from the renal hilum to the opposite renal capsule. D. Shortest distance from the renal capsule to the top of a medullary pyramid.
In addition to kidney measurements, parenchymal echogenicity, and renal resistive index (RRI), what other data was collected on the study participants? A. Anthropometric data, including height, weight, and body fat percentage B. Main renal artery acceleration time C. Estimated glomerular filtration rate and serum creatinine levels D. Urinalysis
According to the study’s findings, which parameter demonstrated only moderate agreement between the LHUS and the ESUS? A. Renal volume B. Cortical thickness (CT) C. Renal length D. Renal resistive index (RRI)
What potential factor contributed to the reduced agreement between left and right kidney measurements? A. Variability in measurements due to the inferior position of the left kidney. B. Bowel gas, poor acoustic windows, and high incidence of dromedary hump made assessing the left kidney more challenging. C. Some participants did not have a left kidney, leading to a reduced sample size and skewed results. D. The LHUS was not suitable for imaging the left kidney.
Which transducers were used in the study? A. Both LHUS and ESUS used 5-2 MHz frequency curved array probes with a 67.5° field of view B. 5-2 MHz frequency curved array for LHUS; 6-2 MHz curved array for ESUS C. 2-4 MHz frequency phased array for LHUS system; 2-6 MHz curved array for ESUS D. 2-6 MHz frequency range phased array probes for LHUS and ESUS evaluations
What was the mean age of the participants in this study? A. 21.5 years B. 59.06 years C. 78.67 years D. 24.41 years
According to Table 2, what was the mean length measured by the LHUS? A. 12.02 cm B. 5.42 cm C. 4.41 cm D. 10.85 cm
According to the article, what was a limitation of the study? A. The participants were mostly older and in poor health. B. Multiple sonographers performed the measurements. C. The participants were young and healthy adults. D. The right kidney was not evaluated.
What conclusion did the study reach regarding the use of LHUS for kidney evaluation? A. ESUS is the only reliable equipment that should be used for evaluating and measuring the kidneys. B. LHUS is a valid and reliable tool in measuring basic dimensions of the kidney and may help improve access to healthcare in low-resource areas. C. ESUS is less reliable than LHUS in assessing renal resistive indices. D. LHUS is equally accurate in all facets of renal evaluation and measurement and can replace ESUS.
Footnotes
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